(19)

(11)

EP 1 287 434 A2

(12)

(88) Date of publication A3: 03.01.2003 (43) Date of publication: 05.03.2003 Bulletin 2003/10 (21) Application number: 01911596.3 (22) Date of filing: 06.02.2001

(51) International Patent Classification (IPC)7: G06F 9/46 (86) International application number: PCT/EP0101/213 (87) International publication number: WO 0106/3413 (30.08.2001 Gazette 2001/35)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 25.02.2000 EP 00200667 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventor: UDINK, Rob, T. NL-5656 AA Eindhoven (NL) (74) Representative: Groenendaal, Antonius Wilhelmus Maria  INTERNATIONAAL OCTROOIBUREAU B.V.,Prof. Holstlaan 6 5656 AA Eindhoven 5656 AA Eindhoven (NL)